16676446746417 has 4 divisors (see below), whose sum is σ = 22235262328560. Its totient is φ = 11117631164276.

The previous prime is 16676446746397. The next prime is 16676446746433. The reversal of 16676446746417 is 71464764467661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16676446746417 - 2¹⁴ = 16676446730033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16676446741417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779407791067 + ... + 2779407791072.

It is an arithmetic number, because the mean of its divisors is an integer number (5558815582140).

Almost surely, 2^{16676446746417} is an apocalyptic number.

It is an amenable number.

16676446746417 is a deficient number, since it is larger than the sum of its proper divisors (5558815582143).

16676446746417 is an equidigital number, since it uses as much as digits as its factorization.

16676446746417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558815582142.

The product of its digits is 682795008, while the sum is 69.

The spelling of 16676446746417 in words is "sixteen trillion, six hundred seventy-six billion, four hundred forty-six million, seven hundred forty-six thousand, four hundred seventeen".